Answer: It’s C.) The increased surface area to volume ratio of the small intestine allows for the absorption of materials into the bloodstream more efficiently.
Explanation:
What statement about enzymes and pH is true?
Most enzymes require a very basic environment to function well.
Most enzymes require a very acidic environment to function well.
Enzymes require a specific range of pH values to function.
Enzymes are unaffected by changes in pH levels.
Answer:
Enzymes require a specific range of pH values to function.
Explanation:
in fact some enzymes are denatured by specific pH ranges.
A student wants to study the effect of adding thermal energy to a system. Which of the following experiments should the student preform? Heat water and record it's change in temperature with time
Freeze water and record its change of temperature with time
Answer: Option 1: Heat water and record it's change in temperature with time
Explanation:
Thermal Energy = Heat
Help!!!!!!!!!!!!!!!!
Answer:
I think is C
Explanation:
If the original cell
(parent cell) has 30
chromosomes, how
many chromosomes
will the new cells
have?
Think of a forest ecosystem. List two biotic factors that compete for the same abiotic factor.
Explanation:
Plants, animals.
They both require/need water, therefore, they both compete for water.
Metabolic acidosis can occur as a side effect of taking acetazolamide because: Select one: a. bicarbonate ions are wasted when sodium is excreted into the urine, leaving behind acidic metabolic waste products that need to be neutralized. b. chloride ions are wasted when sodium is excreted into the urine, leaving behind acidic metabolic waste products that need to be neutralized. c. bicarbonate ions are wasted when sodium is reabsorbed into the tubule as it attracts hydrogen ions. d. chloride ions are wasted when sodium is reabsorbed into the tubule as it attracts hydrogen ions.
Answer:
a. bicarbonate ions are wasted when sodium is excreted into the urine, leaving behind acidic metabolic waste products that need to be neutralized.
Explanation:
Metabolic acidosis is an electrolyte disorder characterized by a pH of less than 7.40 and low bicarbonate (HCO3) levels in the blood. This disease may be due to 1-an increasing acid production, 2-loss of HCO3 (which acts as an acid buffer agent), and 3- by a decreasing ability of the kidneys to maintain normal acid levels. The kidneys contribute to maintaining the acid–base balance by excreting hydrogen ions (H+) into the urine and absorbing HCO3 from the urine. In metabolic acidosis, kidneys are unable to remove enough acid and conserve sodium ions (Na+), which is normally done by excreting ammonia in the urine.
What is one of the biomolecules for which nitrogen is needed (hint: they help build muscles)?
One of the biomolecules for which nitrogen is needed and that build muscles are the proteins, and the nitrogen is also found in the DNA and RNA that are present in the cells.
What is the significance of the nitrogen in the protein?Proteins play many important roles in the body, including building and repairing tissues, and nitrogen is a critical component of proteins, as it is incorporated into the molecule as a part of the amino acids. Without nitrogen, proteins would not be able to form and perform their many important functions so a diet that is rich in protein is important for athletes and bodybuilders to build and repair muscle tissue.
As a result, of the biomolecules for which nitrogen is needed and that build muscles are the proteins, and the nitrogen is also found in the DNA and RNA that are present in the cells.
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- The situation in which atmospheric gases trap the sun's heat and keep Earth's
surface warm is called
a. weather.
c. climate.
b. greenhouse effect.
d. primary succession.
Answer:
b. greenhouse effect.
Explanation:
what are density dependent limiting factors? provide examples and describe how they affect a population.
Answer:
china world was large puplation of ther country and dencity was multiple
Answer:
Density-dependent factors include disease, competition, and predation. Density-dependant factors can have either a positive or a negative correlation to population size. With a positive relationship, these limiting factors increase with the size of the population and limit growth as population size increases.
For anybody with this question
Here is your answer
1
3
4
what is the function of valves between the heart chambers
What is the energy source for producers, consumers, and decomposers?
Answer:
They obtain their energy from the sun and make food with that energy through the process of photosynthesis.
hey besties if you would help me with these questions i think i can finally get myself to fully understand and do the rest of the assignment lol (its very late lol and i’m so close to just giving up)
1. explain how body plan and anatomy enables invertebrate to perform essential functions it needs to survive.
2. explain how body plan and anatomy enables chordate to perform essential functions it needs to survive.
3. explain how body plan and anatomy enables primate to perform essential functions it needs to survive.
Answer:
1)Invertebrates are known as creatures that do not have backbones. Even though these creatures do not have backbones, they have been uniquely designed in order to survive. According to studies, most of these creatures are found in the sea and one of them is the Star Fish or also called as the Sea Star. Starfish's functions and ability to survive is not the same like other animals which make them unique in a different way. The starfish's body is hard and bony for protection purposes and they exist in a variety of colors for camouflage. Their essential functions in order to survive are as follows:
-The Ability to Regenerate: Starfishes have the ability to grow damaged and lost limbs or even their entire body as long as the center part is still present and intact. And this is their way of reproduction as well.
-Having Tube Feet: Its arms are covered with a suction-like tiny cups of tube feet. This unique design of the starfishes enables them to move and secure themselves, especially on rocks and ocean floors.
-Unique Feeding Ability: Sea Stars don't have mouths nor teeth to ingest food. Rather, these creatures have the ability to push open or turn their stomachs out and digest its food. After digestion, their stomachs retract back to their bodies.
-Vascular System: How starfishes survive does not rely on having hearts, brains and blood. Rather, they use the seawater. The seawater serves as the one the circulates inside the sea stars' bodies and this is when nutrients and oxygen are being transported and absorbed.
2)Keep in mind invertebrates are those who have exoskeletons (outside skeleton) or are hydrostatic (no skeleton). This make up 95% of all animals for example an ant or sponge. For a sponge, all it has is tissues that enable it to allow water to flow out the tops.
Chordata are anything with vertebrates so a simple fish could suffice. THEY HAVE 4 SPECIFIC CHARACTERISTICS: 1.Notochord 2.Dorsal, hollow nerve cord 3.Pharyngeal slits 4.Muscual, an.al tail
This is us, we have thumbs, and vertebrates.
3)The bipedalism of primates puts their heads on a higher elevation and this allows them to see predators or prey from afar hence giving them advantage. Opposable thumbs on the hand and feet allow primates to grasp and handle objects effectively hence are able to make use of tools for hunting and etcetera
Explanation:
Helpmeeee!!!!!!!!!!!!
Answer:
I think is C
Explanation:
When a person is suddenly cut by a sharp object, a nervous impulse is sent along a sensory neuron to the spinal cord. The impulse is immediately transmitted through motor neurons to produce a response. Which of the following correctly identifies and describes this response?
A.It is a leamed response that does not occur in infants and small children
B. It is a reflex response that causes various muscles to contract in order to move away from the object.
C.It is a conditioned response that occurs only to prevent injury!
D. It is a voluntary response that is initiated only after the impulse has been caried to the relevant area of the brain.
Answer:
B. It is a reflex response that causes various muscles to contract in order to move away from the object.
Explanation:
I just took the Test
It is a reflex response that causes various muscles to contract in order to move away from the object. Therefore, option (B) is correct.
What is reflex response?A reflex response is an automatic, involuntary response to a stimulus that does not involve the conscious part of the brain. In this case, the reflex response causes various muscles to contract in order to move away from the sharp object, which helps to minimize further injury. Reflexes are a protective mechanism that can operate without the need for conscious control or decision making.
The reflex response described in this scenario is not a learned response, a conditioned response, or a voluntary response. It is an innate, automatic response that occurs in response to a specific stimulus, and it occurs in both infants and adults.
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The Go' for the reaction Citrate Isocitrate is +6.64 kJmol-1 . The Go' for the reaction Isocitrate α-Ketoglutarate is -267 kJmol-1 . Calculate the Go' for the conversion of citrate to α-ketoglutarate?
Answer:
ΔG°' for the conversion of citrate to α-ketoglutarate = - 273.64 kJmol-1
Explanation:
ΔG°' for Citrate is +6.64 kJmol-1
ΔG°' for Isocitrate is -267 kJmol-1
ΔG°' for the conversion of citrate to α-ketoglutarate = ΔG°' for product - ΔG°' for reactant
ΔG°' for the conversion of citrate to α-ketoglutarate = -267 kJmol-1 - (+6.64 kJmol-1)
ΔG°' for the conversion of citrate to α-ketoglutarate = - 273.64 kJmol-1
Please help!!!!!!!!!!!!!!!!!!!!
How can you use what you have learned in Biology to help yourself, family and the planet?
Answer: I’m not sure what you’ve learned but for me it’s that you shouldnt leave the lights on when you don’t need them, you should switch off the TV when you aren’t using it, if you see a piece of trash pick it up and throw it in a trash can, and recycle
Explanation: HAPPY (late) EARTH DAY!!
As a glacier moves across the land, it pushes soil and rocks in front of it and to the sides of it. What are the hills resulting from this soil called?
Answer: They are called Moraines
Explanation: A glacier is a large body of ice originating from land that constantly moves slowly over land. It occurs in almost all parts of the world and makes up about 3/4 of fresh water all over the world.
Glaciers constantly move on land and they do this under their own weight.
As a glacier moves across land, it pushes soil and rocks in front of it and to the sides of it.
The resulting hill formed as a result of this soil movement is called a Moraine.
A moraine is sometimes referred to as a glacial till. It is an accumulation of materials (usually soil and rock) left behind by a moving glacier.
How do you call the center point on the surface of an earthquake?
Answer:
Hypocenter or epicenter
(two different things)
Explanation:
The hypocenter is the point within the earth where an earthquake rupture starts.
The epicenter is the point directly above the hypocenter and is on the surface of the Earth.
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At Weeks Bay there was a population of 200 alligators. In May of 2006 a new species of catfish was released into the Mississippi. These catfish reproduce very fast and soon become a rich food source for the alligator population. This provides the alligators with the energy needed for more successful reproduction. The following summer of 2007, 100 babies were born and a total of 40 gators died that year. However, the next year in early 2008 there was a terrible drought, causing 100 alligators to die.
1. What was the population size of alligators during the summer of 2007?
2. What is the growth rate (r) of the alligator population during 2007?
3. Name one density-dependent factor affecting this population.
4. Name one density-independent factor affecting this population.
What type of growth does your graph illustrate?
6. The population size that an environment can sustain is known as its
7. The number of individuals in a population within a given area is known as the ty
8. The population growth model that considers carrying capacity is known as
9. Populations that grow exponentially when environmental conditions are good, and rapidly decrease when conditions are bad, are known as
Answer:
1. 260
2.
3. drought
4. babies born
6. carrying capacity
7. population density
8. logistic growth
9. exponential curve
Explanation:
please describe the climate of spruce pond in southeast new york
Answer:
It then describes the basic physical elements of the system as it exists today, together with the biophysical geography of the Catskill/Delaware headwaters from which 90 percent of the City's water is derived. This chapter
Work is done when you
A .you lift a book
B .you stand on the floor
C .you hold a box
D .you push against a wall
Describe the changes in the wolf population:
a) From 1965 to 1970
b) From 1970 to 1975
Answer:
Explanation:
1965-70 there population dropped majorly and from 1970-75 the wolf population sprung back up
Answer:
AThere was a steady decrease and then a sudden increase in population.
B It increased slowly for a few years and suddenly decreased.
Explanation:
Write a paragraph explaining the steps involved in a muscle contraction starting from the brain sending a signal to the muscle and ending with the muscle contraction.
Answer:
A Muscle Contraction Is Triggered When an Action Potential Travels Along the Nerves to the Muscles.Muscle contraction begins when the nervous system generates a signal. The signal, an impulse called an action potential, travels through a type of nerve cell called a motor neuron. The neuromuscular junction is the name of the place where the motor neuron reaches a muscle cell. Skeletal muscle tissue is composed of cells called muscle fibers. When the nervous system signal reaches the neuromuscular junction a chemical message is released by the motor neuron. The chemical message, a neurotransmitter called acetylcholine, binds to receptors on the outside of the muscle fiber. That starts a chemical reaction within the muscle.Acetylcholine Is Released and Binds to Receptors on the Muscle Membrane.
A multistep molecular process within the muscle fiber begins when acetylcholine binds to receptors on the muscle fiber membrane. The proteins inside muscle fibers are organized into long chains that can interact with each other, reorganizing to shorten and relax. When acetylcholine reaches receptors on the membranes of muscle fibers, membrane channels open and the process that contracts a relaxed muscle fibers begins:
Open channels allow an influx of sodium ions into the cytoplasm of the muscle fiber.
The sodium influx also sends a message within the muscle fiber to trigger the release of stored calcium ions.
The calcium ions diffuse into the muscle fiber.
The relationship between the chains of proteins within the muscle cells changes, leading to the contraction.
Explanation:
Sry I don’t know how to explain It’s a lot.
When glucose is used for growth, it is converted into:
Answer:
The sugar produced by photosynthesis can be converted into the sugar glucose. Thousands of glucose molecules can be linked together to form the complex carbohydrate cellulose. Cellulose is a very tough molecule that is used to build the cell wall of plant cells.
Explanation:
Which of the following helps prevent erosion? (select 2 answers).
Ice
Trees
Rain
Rivers
Plants (Vegetation)
Answer:
Trees and Plants
Explanation:
difene the meaning of the phrase entry requirements to higher education institutions and state four reasons why knowing the entry requirements is important
Answer:
1. Entry requirements to higher education are the necessary and important criteria that students intending to acquire higher education must attain before they can be granted admission.
2. Four reasons why knowing the entry requirement is important include;
a. It helps the students chose the right courses in high school.
b. It provides a standard for the universities to evaluate students objectively.
c. It ensures the admittance of students to courses suited for their capabilities and strengths.
d. It prepares students for the tasking academic environment by ensuring that they have a background knowledge of their chosen course.
Explanation:
Before students can be granted admission into schools chosen by them, they must meet certain standards to be deemed qualified by the admitting institution. Knowing these standards on time gives the students a sense of purpose and helps them to develop skills and abilities that make them qualified for admission into these schools.
It also helps the university choose the right students for different courses. Studying ahead to have the required certificates for admission helps the student gain background knowledge of their future course.
What is the phenomenon responsible for wind and surface currents bending to the right or to the left?
Answer:
I believe what you are referring to is the Coriolis Effect.
Explanation:
Because the Earth rotates on its axis, circulating air is deflected toward the right in the Northern Hemisphere and toward the left in the Southern Hemisphere.
How does diversity in traits arise over generations? How can we determine the probability that an organism's expressed version of a trait will be passed on to its offspring?
Answer:
Diversity in traits arise over generations through mutation which cause evolution and speciation. We can determine the probability that an organism's expressed version of a trait will be passed onto its offspring through Hardy-Weinberg equilibrium. Hardy-Weinberg equilibrium helps us understand and know genotype and allele frequencies.
Through mutation, which leads to evolution and speciation, diversity in features develops over generations.
What is diversity?The variety of human distinctions that make up diversity includes, but is not limited to, racial or ethnic origin, gender, gender orientation, age, socioeconomic class, physical ability or traits, and political ideas.
Over generations, diversity in traits emerges through mutation, which causes evolution and speciation.
We can calculate the probability that an organism's expressed version of a trait will be passed on to its offspring using the Hardy-Weinberg equilibrium.
The Hardy-Weinberg equilibrium is used to explain genotype and allele frequencies.
Thus, this way, we can determine the probability that an organism's expressed version of a trait will be passed on to its offspring.
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